JP6648314B2 - Alarm - Google Patents

Description

  The present invention relates to a battery-driven alarm device that can be switched from a low power consumption mode to a monitoring alarm mode that performs a monitoring operation and an alarm operation for gas leakage, fire, and the like.

  As a conventional alarm, for example, the one shown in Patent Document 1 is known. When the alarm described in this document switches from the low power consumption mode set at the time of shipment from the factory to the monitoring alarm mode, the inspection switch provided on the alarm is operated differently from the normal inspection operation. It is configured as follows.

Japanese Patent No. 4558478

  In order to switch the alarm to the monitoring alarm mode, the user needs to check the position and operation method of the inspection switch in advance by reading the instruction manual, etc., which improves user friendliness when using. Room was left.

  An object of the present invention is to provide an alarm device that can switch between a low power consumption mode and a monitoring alarm mode with a simpler operation.

  A first characteristic configuration according to the alarm device of the present invention is a battery that supplies power, a plurality of light receiving elements that generate a voltage when receiving light, a monitoring alarm mode, and a standby operation that consumes less power than in the monitoring alarm mode. A control unit that switches between a low power consumption mode, and the light receiving element receives light, thereby switching between the monitoring alarm mode and the low power consumption mode, and a first light receiving element among a plurality of the light receiving elements is , Also functions as a light emitting element of a power display unit, the second light receiving element of the plurality of light receiving elements, also functions as a light emitting element of the alarm display unit, any of the first light receiving element and the second light receiving element When one of them is irradiated with light, the mode switching is performed, and when the other is irradiated with light, the inspection operation is performed.

[Action and effect]
According to this configuration, light (for example, sunlight, a flashlight, a fluorescent light, or the like) shines on the light receiving element, so that the low power consumption mode and the monitoring alarm mode can be automatically switched. Therefore, for example, the user can easily switch the alarm device from the low power consumption mode to the monitoring alarm mode without depending on the instruction manual as long as the user unpacks the alarm device equipped with this configuration in a bright room or the like. Is also possible. Further, since the light receiving element also functions as a light emitting element, it is not necessary to provide an element for each of light reception and light emission, and the number of elements to be provided can be reduced. In addition, the light receiving element and the light emitting element are separated from each other, for example, when the light receiving element receives light when the light emitting element performs light emitting display, and when the light emitting element does not perform light emitting display. A more detailed instruction can be received by a combination of the light emission display by the light emitting element and the light reception by the light receiving element, such that different control is performed when the light is received. Further, since the light emitting elements of the power supply display section and the alarm display section also function as light receiving elements, the user can generate a voltage by irradiating the alarm display section with light.

  A second characteristic configuration is that a detachable light shielding member is provided on the power supply display unit.

[Action and effect]
According to this configuration, for example, when the low power consumption mode is set in advance, the user can easily switch the alarm from the low power consumption mode to the monitoring alarm mode at an arbitrary timing by removing the light shielding member. .

It is a block diagram showing a circuit configuration in an embodiment of an alarm of the present invention.

  Hereinafter, as one embodiment of an alarm device of the present invention, a fire alarm device having a characteristic configuration of the present invention will be described with reference to the drawings.

[Embodiment]
As shown in FIG. 1, a fire alarm 1 according to the present embodiment includes a sensor unit 2 for detecting a fire, a power supply display unit 3 for displaying a power supply state, a control unit 4 having various control circuits, It is provided with a speaker 9 for outputting a voice message and an alarm sound of a fire occurrence, an alarm display section 10 for displaying the fire occurrence by flashing light or the like, and a battery (not shown) for supplying power.

  The sensor unit 2 includes a conventionally known smoke detection mechanism, for example, a scattered light type smoke detection mechanism that senses smoke by detecting scattered light generated by scattering emitted light by smoke. I have.

  The power supply display unit 3 includes a light-emitting member (for example, a light-emitting diode or a photodiode). When the power supply display unit 3 is lit, it indicates that the fire alarm 1 is in the monitoring alarm mode 7 described later. When the power display 3 is not lit, the fire alarm 1 is set to be described later. This indicates that the low power consumption mode 8 is set.

The control unit 4 includes a monitoring control unit 5 and a mode setting unit 6.
The monitoring control unit 5 receives a signal from the sensor unit 2 and performs a monitoring operation for monitoring whether the signal meets a predetermined condition. When the signal satisfies a predetermined condition, that is, when a fire occurs, It has a monitoring alarm function that causes each of the speaker 9 and the alarm display unit 10 to execute an alarm operation of a fire occurrence when detecting that the fire has occurred. Further, the monitoring control unit 5 has an inspection function that causes each of the speaker 9 and the alarm display unit 10 to execute an alarm operation when receiving a signal of the inspection operation during a normal monitoring operation.

  The mode setting unit 6 performs a monitoring / alarm mode 7 for executing the monitoring / alarm function of the monitoring / control unit 5 and a standby operation which consumes less power than the monitoring / alarm mode 7 by stopping the monitoring / alarm function of the monitoring / control unit 5. And a mode switching function for switching between the low power consumption mode 8 to be performed.

  The alarm display unit 10 includes a light-emitting member (for example, a light-emitting diode or a photodiode), which is normally in a non-lighting state. However, when a fire occurs, the monitoring control unit 5 causes the light-emitting member to blink. An alarm action is performed.

  In the fire alarm 1 according to the present embodiment, a predetermined power supply adapted to each of the sensor unit 2, the power display unit 3, the control unit 4, the speaker 9, the alarm display unit 10, and the like from a battery (not shown) through a power supply circuit (not shown). It is configured to output a voltage.

(Switch between low power consumption mode and monitoring alarm mode)
The fire alarm 1 of the present embodiment switches between the low power consumption mode 8 and the monitoring alarm mode 7 by irradiating the power display unit 3 with light (for example, sunlight, a flashlight, a fluorescent light, or the like). It is configured to be.

  The light-emitting member of the power supply display unit 3 functions as a light-emitting element in the monitoring / warning mode 7 to turn on the power supply display unit 3 and also functions as a light-receiving element. For example, about 1.5 V can be generated in the case of a light emitting diode.

  For example, the fire alarm 1 of the present embodiment may be set in the low power consumption mode 8 with a battery pre-installed and fixed in the factory before power is supplied from the battery at the time of factory shipment.

  When the power supply display unit 3 is irradiated with light, a voltage is generated in the light emitting member. The mode setting unit 6 of the fire alarm device 1 is configured to detect the voltage, cancel the low power consumption mode 8 set up to then, and switch to the monitoring alarm mode 7.

  Therefore, for example, if the packaged fire alarm 1 is unpacked in a bright room or the like, the power display unit 3 is illuminated and automatically switches from the low power consumption mode 8 to the monitoring alarm mode 7. Therefore, the user does not need to read the instruction manual or the like, and can easily switch the fire alarm 1 from the low power consumption mode 8 to the monitoring alarm mode 7.

  Further, a detachable light-shielding member (for example, a light-shielding tape or the like) may be applied to the power supply display unit 3. According to this, it is convenient when the user unpacks the package and does not use it immediately, and the user can easily switch the alarm from the low power consumption mode to the monitoring alarm mode at any time by removing the light shielding member. Can be. It should be noted that it is certain that the light-shielding member has a statement that the light-shielding member is to be removed at the time of use. Therefore, it is possible to intuitively understand that the light-shielding member must be removed during use.

(Inspection operation)
In the fire alarm 1 of the present embodiment, the user irradiates the alarm display unit 10 with light as a signal of the inspection operation during a normal monitoring operation in order to confirm whether the alarm operation is normally performed. By doing so, the inspection operation is performed.

  Since the light emitting member of the alarm display unit 10 functions not only as a light emitting element but also as a light receiving element, a user can generate a voltage by irradiating the alarm display unit 10 with light.

  The monitoring control unit 5 in the fire alarm device 1 of the present embodiment activates an inspection function by detecting a voltage generated from the light emitting member of the alarm display unit 10, and performs the inspection operation by using the speaker 9 and the alarm display unit 10, respectively. Is set to perform an alarm operation.

  Therefore, even if the fire alarm 1 is installed in the dark or in a narrow place that is difficult for the user to reach, the user cannot monitor the fire that is turned off during the monitoring operation. The inspection work can be easily performed as long as the flashlight or the like irradiates the alarm display section 10 of the alarm device 1 with light. In the fire alarm 1 of the present embodiment, it is not necessary to separately provide a push button type inspection switch and the like, and the number of parts is small and the configuration is simplified, so that the manufacturing cost can be suppressed and the waterproofing can be achieved. Performance also improves.

  Also, a removable light-shielding member (for example, a light-shielding tape or the like) may be applied to the alarm display unit 10 similarly to the power supply display unit 3.

(About the light emitting member)
It is desirable to use a light emitting diode or a photodiode as a light emitting member used in the power supply display unit 3 and the alarm display unit 10 described above.

  The light-emitting diode is difficult to generate a voltage that can be detected by the monitoring control unit 5 or the mode setting unit 6 in a general room light (for example, several hundred lux), and is stronger than sunlight or a flashlight. Light (for example, illuminance of 1,000 lux or more) is required. Therefore, when a light emitting diode is used, it is desirable to irradiate light having a wavelength close to the emission wavelength in order to increase power generation efficiency. For example, in the case of a light emitting diode that emits light close to red, it is desirable to irradiate light having a wavelength close to infrared light.

  On the other hand, the photodiode can generate a voltage that can be detected by the monitoring control unit 5 and the mode setting unit 6 even with weak light (for example, about several lux). However, when a photodiode is used, the fire alarm 1 may be provided with an attenuating film if necessary, since the reactivity to light may be too good and the usability may be poor. At this time, it is desirable that the attenuation film is configured to be removable. Accordingly, it is possible to appropriately exchange and use the attenuation films having different attenuation rates according to the brightness of the room in which the light source is installed and the illuminance of the emitted light. Note that, of course, an attenuation film may be applied to the above-described light emitting diode as needed.

[Other embodiments]
1. In the above-described embodiment, the threshold at the time of mode switching by the mode setting unit 6 and the threshold for activating the inspection function by the monitoring control unit 5 are adjusted by adjusting the illuminance of irradiation light and the irradiation time. It may be set appropriately.
For example, the mode setting unit 6 detects a predetermined voltage (for example, about 1.5 V) generated according to the illuminance of the light emitted to the light emitting member of the power supply display unit 3 for a predetermined time (for example, 5 seconds or more). The low power consumption mode 8 which has been set so far may be canceled and the mode may be switched to the monitoring / warning mode 7, and the light emitting member of the warning display unit 10 may be similarly irradiated on the monitoring control unit 5. The inspection function may be activated by detecting a predetermined voltage generated according to the illuminance of the emitted light for a predetermined time. At this time, the mode switching and the check function activation are set to be performed when the irradiation time exceeds a predetermined time, or are performed when the irradiation is performed for a predetermined time or more and the irradiation is stopped. You may set as follows.
With this configuration, for example, even when the user accidentally shines on the power supply display unit 3 or the alarm display unit 10 without the intention of use or inspection, the light is low regardless of the user's intention. Mode switching from the power consumption mode 8 to the monitoring / warning mode 7 and an inspection operation are prevented from being performed.
In the above-described embodiment, the threshold value at the time of mode switching by the mode setting unit 6 and the threshold value for activating the inspection function by the monitoring control unit 5 are set to different values. For example, when irradiating high illuminance light, mode switching is performed by the mode setting unit 6, and when irradiating low illuminance light, an inspection function by the monitoring control unit 5 is activated, or the light is turned on. When the light is irradiated for a long time, the mode is switched by the mode setting unit 6, and when the light is irradiated for a short time, the inspection function by the monitoring control unit 5 is activated. For example, the respective light emitting members of the display unit 10 are of different types. Thus, for example, when the fire alarm device 1 is illuminated with light to switch from the low power consumption mode 8 to the monitoring alarm mode 7, a state in which the inspection operation is erroneously performed together can be avoided. .

  2. In the above-described embodiment, only the configuration in which the mode setting unit 6 switches from the low power consumption mode 8 to the monitoring / warning mode 7 by irradiating light is described. However, the configuration is not limited to this. The mode setting unit 6 may be configured to switch from the monitoring / warning mode 7 to the low power consumption mode 8 by light irradiation. That is, different modes may be selected depending on the illuminance of the light to be irradiated and the irradiation time. For example, the mode switches from the low power consumption mode 8 to the monitoring / warning mode 7 when irradiation is performed for a long time, and switches from the monitoring / warning mode 7 to the low power consumption mode 8 when irradiation is performed for a short time. Of course, the same applies to the monitoring control unit 5, and the execution and stop of the inspection operation may be selected according to the illuminance and irradiation time of the irradiated light. For example, an inspection operation is performed when irradiation is performed for a long time, and the inspection operation is stopped when irradiation is performed for a short time.

  3. In the above-described embodiment, the light emitting member of the power supply display unit 3 has both a function of turning on the power supply display unit 3 as a light emitting element and a function of generating a voltage as a light receiving element, but is limited to this configuration. Instead, a dedicated light receiving element may be separately provided. The light emitting member of the alarm display unit 10 has both a function of blinking the alarm display unit 10 as a light emitting element when a fire occurs and a function of generating a voltage as a light receiving element, but is not limited to this configuration. Alternatively, a dedicated light receiving element may be separately provided. In addition, when the light emitting member has both the function of the light emitting element and the function of the light receiving element, it is desirable to use a light emitting diode as the light emitting member. It is desirable to use diodes.

  4. In the fire alarm 1 of the above-described embodiment, a configuration is described in which one light receiving element is provided in order to perform mode switching by the mode setting unit 6. However, the present invention is not limited to this configuration, and further more. The mode may be set, and a plurality of light receiving elements corresponding to each mode may be provided to select or switch the mode.

  5. The fire alarm 1 of the above-described embodiment is configured so that each of the speaker 9 and the alarm display unit 10 performs an alarm operation as an inspection operation. However, the present invention is not limited to this configuration. Also, a plurality of inspection operations are set, and conditions corresponding to each of the plurality of inspection operations are set in advance by changing at least one of the light irradiation time, the illuminance, and the type of light. In addition, a configuration may be adopted in which any one of the plurality of inspection operations can be selected by irradiating the alarm display unit 10 with light of any one of the conditions. In addition to the configuration in which one light receiving element is provided, various inspection operations may be set, and a plurality of light receiving elements corresponding to each inspection operation may be provided to select or switch the inspection operation. .

6. In the fire alarm 1 of the above-described embodiment, when the power display unit 3 is irradiated with light, the mode is switched, and when the alarm display unit 10 is irradiated with light, an inspection operation is performed. When the light is irradiated on the power supply, the mode is switched, and when the power supply display unit 3 is irradiated with the light, an inspection operation may be performed.
When one of the power supply display unit 3 and the alarm display unit 10 is irradiated with light, the mode may be switched and the inspection operation may be performed. In this case, whether to switch the mode or to perform the inspection operation may be determined based on the illuminance and time.

  7. The configuration of the alarm device of the present invention may be applied not only to various alarm devices such as a fire alarm device and a gas leak alarm device but also to various detectors such as a gas detector.

  The alarm device of the present invention can be applied to not only a fire alarm device but also a gas leak alarm device.

DESCRIPTION OF SYMBOLS 1 Fire alarm 2 Sensor part 3 Power supply display part 4 Control part 5 Monitoring control part 6 Mode setting part 7 Monitoring and warning mode 8 Low power consumption mode 9 Speaker 10 Alarm display part

Claims (2)

A battery to supply power,
A plurality of light receiving elements that generate a voltage when receiving light,
A control unit that switches between a monitoring alarm mode and a low power consumption mode performing a standby operation with less power consumption than at the time of the monitoring alarm mode,
By receiving light by the light receiving element, switching between the monitoring alarm mode and the low power consumption mode,
The first light receiving element of the plurality of light receiving elements also functions as a light emitting element of a power display unit,
The second light receiving element of the plurality of light receiving elements also functions as a light emitting element of an alarm display unit,
An alarm device wherein a mode is switched when one of the first light receiving element and the second light receiving element is irradiated with light, and an inspection operation is performed when light is irradiated on the other light receiving element.   The alarm device according to claim 1, wherein a removable light-shielding member is provided on the power display unit.

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